Study of the polyvinyl chloride-oligoether acrylate system by the pulse NMR method☆

From the data on nuclear magnetic transverse relaxation the authors have derived information on change in the heterogeneity of the kinetic properties of molecules in the PVC-oligoether acrylate system at 20–175°C. Thermo-oxidative polymerization of oligoether acrylate in the polymer matrix is severely limited at a concentration of oligomer 50 wt.% in the same way as in the initial oligoether acrylate. Such specifics of oxidative polymerization in the absence of material initiators is predetermined by the character of the distribution of the temporary plasticizer in the system.